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Stages of anaesthesia and recovery in shrimps.
| Stage | Description | Characteristic behaviour |
|---|---|---|
| Induction | ||
| 1 | Partial loss of equilibrium | Reaction only to strong tactile and vibration stimuli |
| 2 | Complete loss of equilibrium | Percular movement ceases, not reactive to stimuli |
| Recovery | ||
| 1 | Partial regained control of equilibrium | Start of erratic swimming without reestablishment of equilibrium |
| 2 | Complete regained control of equilibrium | Attained an upright position on the bottoms of the aquaria |
